From: Kim Phillips <kim.phill...@linaro.org>

Needed by drivers, such as the vfio platform driver [1], seeking to
bypass bind_store()'s driver_match_device(), and bind to any device
via a private sysfs bind file.

[1] https://lkml.org/lkml/2013/12/11/522

note: the EXPORT_SYMBOL is needed because vfio-platform can be built
as a module.

Signed-off-by: Kim Phillips <kim.phill...@linaro.org>
---
 drivers/base/base.h    | 1 -
 drivers/base/dd.c      | 1 +
 include/linux/device.h | 1 +
 3 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/base/base.h b/drivers/base/base.h
index 24f4242..fe25ad87 100644
--- a/drivers/base/base.h
+++ b/drivers/base/base.h
@@ -112,7 +112,6 @@ extern int bus_add_driver(struct device_driver *drv);
 extern void bus_remove_driver(struct device_driver *drv);
 
 extern void driver_detach(struct device_driver *drv);
-extern int driver_probe_device(struct device_driver *drv, struct device *dev);
 extern void driver_deferred_probe_del(struct device *dev);
 static inline int driver_match_device(struct device_driver *drv,
                                      struct device *dev)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 0605176..44f6184 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -384,6 +384,7 @@ int driver_probe_device(struct device_driver *drv, struct 
device *dev)
 
        return ret;
 }
+EXPORT_SYMBOL_GPL(driver_probe_device);
 
 static int __device_attach(struct device_driver *drv, void *data)
 {
diff --git a/include/linux/device.h b/include/linux/device.h
index 952b010..ad80dd2 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -257,6 +257,7 @@ extern struct device_driver *driver_find(const char *name,
                                         struct bus_type *bus);
 extern int driver_probe_done(void);
 extern void wait_for_device_probe(void);
+extern int driver_probe_device(struct device_driver *drv, struct device *dev);
 
 
 /* sysfs interface for exporting driver attributes */
-- 
1.8.3.2

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